Common Lilac (Syringa vulgaris)
Kingdom: Plantae > Division: Tracheophyta > Class: Magnoliopsida > Order: Lamiales > Family: Oleaceae > Genus: Syringa > Species: Syringa vulgaris · Oleaceae (Olive family) · Simple, Deciduous
Species
Syringa vulgaris (High Confidence)
Leaf Type
Simple, Deciduous
Family
Oleaceae (Olive family)
Shape
Broadly ovate to subcordate (heart-shaped base with an acuminate tip)
Size
Approximately 3-5 inches (8-12 cm) long and 2-3.5 inches (5-9 cm) wide, fitting typical species dimensions.
Margin
Entire (completely smooth edges with no serrations or lobes)
Arrangement
Opposite, attached via distinct, slender petioles.
Rarity
Very Common (extremely popular ornamental shrub in temperate zones worldwide).
Color & Pattern
Medium to dark green on the adaxial (upper) surface, slightly paler underside. Uniform coloration with dark green network pattern created by prominent veinlets.
Venation Pattern
Pinnate to reticulate; prominent midrib with curving lateral secondary veins that branch into a fine, net-like mesh.
Texture & Surface
Smooth (glabrous), slightly leathery to papery texture with a matte finish on the upper surface.
Description
Common Lilac is a large deciduous multi-stemmed shrub or small tree growing up to 20 feet tall. Known for its heart-shaped green leaves and intensely fragrant, four-petaled flowers blooming in late spring in shades of purple, lavender, pink, and white. The bark is gray-brown and becomes flaky or fissured with age.
Key Features
Opposite leaf arrangement, heart-shaped (cordate to broadly ovate) leaves with smooth margins, distinct petioles, fine net-like venation, and highly fragrant spring flower panicles.
Habitat
Thrives in full sun, fertile, well-drained alkaline to neutral soil. Frequently found in urban gardens, hedgerows, old homesteads, and temperate open woods.
Geographic Range
Native to the rocky hills of the Balkan Peninsula in Southeastern Europe; widely cultivated and naturalized across North America, Europe, and Asia.
Condition Notes
Good health. Minor insect chewing along the upper left margin, but the leaf is vibrant green with clear venation and no evidence of powdery mildew or chlorosis.
Interesting Facts
Lilacs belong to the Olive family alongside olives, ashes, and jasmine. Lilac flowers are edible and often used to infuse syrups, honey, or baked goods with floral aroma. The plant was introduced to North America by European colonists in the 17th century.
Medicinal & Uses
Mainly grown as an ornamental landscape shrub for hedges and fragrant spring blooms. Flowers are used in perfumery and floral essential oils. Traditionally, leaf and flower infusions were used in folk medicine as anti-fever remedies.
Ecological Role
Flowers provide early summer nectar for butterflies, bees, and moths. Shrub thickets offer nesting sites and protective cover for songbirds.
Similar Species
Japanese Tree Lilac (Syringa reticulata) has larger, more elongated leaves; Common Dogwood (Cornus sanguinea) has arcuate veins that curve dramatically toward the leaf tip; Asian Bush Honeysuckles (Lonicera spp.) have smaller leaves and hollow stems.
Foraging Tips
Look for opposite heart-shaped leaves on woody stems in spring and summer, particularly near old homes or garden borders. Flowers can be harvested in late spring for culinary floral uses.
Toxicity Warning
Non-toxic to humans, dogs, cats, and horses. Safe for garden planting.